| 微波辅助提取沙棘总黄酮的工艺研究 |
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| 引用本文： | 冯纪南,黄海英,邓斌. 微波辅助提取沙棘总黄酮的工艺研究[J]. 安徽农业科学, 2011, 39(26): 15952-15953,15955 |
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| 作者姓名： | 冯纪南 黄海英 邓斌 |
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| 作者单位： | 湘南学院化学与生命科学系,湖南郴州,423000;湘南学院教务处,湖南郴州,423000 |
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| 基金项目： | 湖南省科技厅计划项目(2010GK3123); 湖南省教育厅重点科研基金项目(10A113) |
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| 摘 要： | [目的]寻找提取沙棘总黄酮的优化条件。[方法]采用单因素试验和正交试验方法,以乙醇浓度、微波辅助提取时间、料液比为因素,每个因素3个水平L9（33）,用紫外分光光度法测定的总黄酮含量作为评价指标,筛选工艺。[结果]微波提取法影响沙棘总黄酮提取率的主要因素为料液比,其次为乙醇浓度、提取时间。在微波功率为400 W的条件下,最佳提取工艺条件为料液比1∶25（g∶m l）,提取乙醇浓度为80%,微波提取时间为90 s。在此条件下沙棘总黄酮提取率可达5.23%。[结论]用微波辅助提取沙棘总黄酮提高了提取的速度和得率,具有不产生噪音、能耗低、效率高、不破坏有效成分等优点。
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| 关 键 词： | 沙棘 总黄酮 微波辅助提取 正交试验 NaNO2-Al(NO3)3比色法 |
Microwave-assisted Extraction of Total Flavonoids from Hippophae rhamnoides L |
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| FENG Ji-nan et al. Microwave-assisted Extraction of Total Flavonoids from Hippophae rhamnoides L[J]. Journal of Anhui Agricultural Sciences, 2011, 39(26): 15952-15953,15955 |
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| Authors: | FENG Ji-nan et al |
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| Affiliation: | FENG Ji-nan et al(Department of Chemistry and Life Science,Xiangnan University,Chenzhou,Hunan 423000) |
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| Abstract: | [Objective] To find out the optimum conditions for extracting total flavonoids from Hippophae rhamnoides L..[Method] The single factor test and the orthogonal test were adopted.With ethanol concentration,microwave time and material-liquid ratio as factors,each factor has three levels,the determined content of total flavonoids by ultraviolet spectrophotometer act as the assessment index to screen out the optimum technology.[Result] The micro-wave assisted extracting yield of total flavonoids from Hippophae r... |
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| Keywords: | Hippophae rhamnoides L. Total flavonoids Microwave-assisted extraction Orthogonal test NaNO2-Al(NO3)3 colorimetry |
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